There are no active watches, warnings or advisories for Jefferson (Colorado).

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
Bulletin Board
UV Index 2.3 - Sunburn in 60 to 90 minutes
METRIC | IMPERIAL
Updated: 10/20/2014 @ 3:05:00 pm  
Summary / Temperature Wind Rain/Melted Snow Fire Risk


Cloudy, Dry
Cloudy, Dry

71.8°F Colder 3.8°F than last hour.
---
Currently 71.8, Max: 76.1, Min: 45.6 Feels like:
72°F

24-hr
difference
1.2°FWarmer 1.2°F than yesterday at this time.
TEMP: HIGH: LOW:
Today: 76.1°F 45.6°F
2:29pm 6:44am
Yesterday: 72.3°F 47.4°F
1:31pm 2:27am
Record: 80.0°F 26.0°F
2003 1987
Normal: 60.0°F 38.0°F
 Wind from SSE SSE
2.7
Gust:
2
Light Air
60-Min Avg: 6.2 mph
120-Min Avg: 7.8 mph
Max Gust: 20 mph 12:33pm
Month: 37 mph Oct 2
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
10/12/2014
4:30 PM
October: 1.04 in
Last 7 Days: 0.00 in
Rain Season:1 16.94 in
Rain Days: 96 in 2014
7 days since last rain.
Chandler Burning Index
Chandler Burning Index: MODERATE
Currently:
67.8
at 3:05 PM
Barometer Humidity/Dew Point Sun/Moon
Current: 29.810 inHg Falling 0.005 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling
Today: Todays High 29.946
Todays Low 29.801
Humidity: 27 % Increased 3% since last hour.
Humidex: 69.0°F     
Today: Todays High     
Todays Low     
Dew Point: 36.0°F Decreased 0.1°F since last hour.
Wetbulb: 54.9°F     
Daylight:
Possible hours of Daylight
10:59
+ -00:02:28 Min
Evening Crescent, 26 days, 14 hours, 53 minutes in cycle
29% Illuminated
Current UV Index Current Solar Energy
2.3
Sunburn in
49 Minutes
Highest:
12:40pm
6.7
Energy: 90 W/m2 (17 %)
High: 684 at  1:05pm
Feels like: 74.2°F
Heat Index Cooling Degree Days Air Quality6
Current: 71.8°F
Today: 76.1°F  2:29pm
Yesterday: 72.3°F
Last Week: 77.6°F
Record: 99.7°F   26-Aug-2012
Today: 0.0
October: 1.1
2014 to Date: 509.3
Heating Degree Days
2014 to Date: 3542.7
Current AQI

30


Good
Snow3 Irrigation Index5 Station All Time Records Cloud Level
Today: 0.00 in
Yesterday: 0.00 in
October: 0.00 in
Season Total:2 0.12 in
Snow Depth: 0.00 in
0 snow day in October
1 snow day this season.2
Updated at Midnight
Current: 0.14 in   
7-Days Rain: 0.00 in   
7-Days ET: 0.74 in   
7-Day: -0.744 in 0.744 in water in deficit of what evaporated in last 7 days.
October: -1.29 in 1.29 in water in deficit of what evaporated this month.
Outside Now
Air Density: 1.188 kg/m3
HIGHS: LOWS:
99.3°F
25-Jun-2012
-13.9°F
02-Feb-2011
Daytime Records
    95.5°F
25-Jun-2012
  -4.9°F
01-Feb-2011
Nitetime Records
  82.0°F
24-Jun-2012
-9.4°F
02-Feb-2011
ICN:19 ISS:Ok CON:4.6 RCP:100%
1 Rain season: Jan 1st to Dec 31st.    2 Snow season October 1st to September 30th.    3 Snow manually measured usually around 7AM and 7PM.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.) 6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.
 NWS Weather Forecast  -   Outlook Tonight & Tuesday
Tonight

Mostly Clear
Mostly
Clear
Lo 47 °F
NWS forecast: Mostly clear, with a low around 47. East southeast wind 6 to 9 mph becoming west southwest after midnight. Winds could gust as high as 15 mph.
WXSIM forecast: Clear. High 71°. Wind south-southeast around 5 mph.
Tuesday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 71 °F
NWS forecast: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 71. West southwest wind 5 to 8 mph becoming calm.
WXSIM forecast: Clear. Low 52°. Wind southwest around 8 mph.
 NWS Short Term Weather Forecast
Tuesday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 71 °F
Tuesday
Night

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Lo 49 °F
Wednesday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 60 °F
Wednesday
Night

Slight Chc Showers. Chance for Measurable Precipitation 10%
Slight Chc
Showers
Lo 41 °F
Thursday

Sunny
Sunny

Hi 70 °F
Thursday
Night

Mostly Clear
Mostly
Clear
Lo 44 °F
Friday

Sunny
Sunny

Hi 77 °F
Friday
Night

Clear
Clear

Lo 43 °F
Version 5.03 09-Apr-2010 - Script Mods by: WebsterWeatherLIVE.com
Some Colorado Weather Facts:
Approximately 16.5 inches of precipitation annually.

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